Soon enough you manage to find a ring where a group of younger looking battlers are going at it. In the ring right now is a small grey Pokemon against a floating ball, oozing gas. They seem to be about the right age.
You don't manage to find anybody outside the house or see anyone looking out the windows, but you do catch a glint of metal under the front rug. Investigating it, you find a hide-a-key.
"What's wrong with trainers these days? I remember when there was honor involved in a capture," the nurse says, pulling out a syring. "It'll be ^200."